See also badge with a similar ribbon-bow https://asiamedals.info/threads/1930-ensei-district-youth-league-imperial-inspection-commemorative-badge-_.26694/
Size 40 mm.
Thickness 7 mm.
Obverse
御親閲記念 - Imperial Inspection Commemorative
於熊本 - At Kumamoto
昭和六年十一月 - November 1931
Fastening.